CN208173269U - A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain - Google Patents
A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain Download PDFInfo
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- CN208173269U CN208173269U CN201820923670.4U CN201820923670U CN208173269U CN 208173269 U CN208173269 U CN 208173269U CN 201820923670 U CN201820923670 U CN 201820923670U CN 208173269 U CN208173269 U CN 208173269U
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Abstract
The utility model discloses a kind of anti-interference high frequency data transfer cables of bend resistance for drag chain, including high-frequency signal line, middle low frequency signal line, power supply line, external protection, external shielding layer and oversheath, high-frequency signal line, middle low frequency signal line and the filling of power supply line total collection simultaneously successively wrap up external protection in outside, external shielding layer and oversheath, high-frequency signal line includes 2 transmission signal line cores, insulating layer, first protective layer, second protective layer, internal shield and inner sheath, transmission signal line core includes transmission conductor, insulation is enclosed with outside transmission conductor, the first protective layer is wrapped up outside insulating layer, the second protective layer is coated after the completion of 2 transmission signal line core pair twists again, second protective layer is coated with internal shield, inner sheath is coated outside internal shield again.A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain of the utility model has the advantages of superior buckle resistance, the wear-resisting property of stable electric property, splendid shield effectiveness and brilliance.
Description
Technical field
The utility model relates to wire and cables, and in particular to a kind of anti-interference high frequency data transfer of bend resistance for drag chain
Cable.
Background technique
Normal cable is applied to drag chain using breakage is easy, and service life is short, just needs replacing new cable less than two weeks,
Labor intensive, physics, and normal cable is deteriorated using shield effectiveness after shorter a period of time, and signal easily occurs in use process
It the failures such as loses, gently then reduces production efficiency, it is heavy then bring security risk.
Therefore research and develop it is a kind of can effectively extend drag chain cable service life, and make its within effective service life not because
It is the art technical problem in the urgent need to address at present that outer signals, which are interfered and reduce the drag chain of function with cable,.
Summary of the invention
The utility model provides a kind of anti-interference high frequency data transfer cable of the bend resistance for drag chain.
The utility model can be achieved through the following technical solutions：
A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain, including high-frequency signal line, middle low frequency signal
Line, power supply line, external protection, external shielding layer and oversheath, it is characterised in that：The high-frequency signal line, middle low frequency signal line and
The filling of power supply line total collection simultaneously successively wraps up external protection, external shielding layer and oversheath external, and the high-frequency signal line includes 2
Root transmission signal line core, insulating layer, the first protective layer, the second protective layer, internal shield and inner sheath, the transmission signal line core
Including transmission conductor, insulating layer is enclosed with outside the transmission conductor, the first protective layer of package outside the insulating layer, described 2
The second protective layer is coated after the completion of transmission signal line core pair twist again, second protective layer is coated with internal shield, described interior
Inner sheath is coated outside shielded layer again.The utility model by being arranged internal shield outside high-frequency signal line, high-frequency signal line, in it is low
External protection is wrapped up after frequency signal wire and power supply line total collection again, external shielding layer forms multilayer screen structure, high frequency signal
Line is at least 2 groups, and the single transmission signal line core of high-frequency signal line is coated with the first protective layer, reduces external force and believes transmission
The extruding of number core coats the second protective layer after the completion of transmission signal line core pair twist again, further increases signal wire crush resistance
Can, electromagnetic shielding action is played by internal shield, after completing a series of anti-physical external force protective layers and electro-magnetic screen layer,
Coating inner sheath again, it consolidates simultaneously enhanced protection, this unique structure setting is effectively reduced from extraneous folding force to wire rod cable
The influence of core extends cable service life to increase the buckle resistance of wire rod, and high-frequency signal line, middle low frequency signal line and
The filling of power supply line total collection is simultaneously successively coated with external protection and external shielding layer in outside package, and the outside of external shielding layer coats again
There is oversheath, forms tight structure, in drag chain use process, signal wire moves the utility model cable inside whole cable
The movement of other modes hardly occurs other than drag chain track for track, improves the stabilization of high frequency signal transmission well
Property.
Further, the transmission conductor is made of tin-coated copper.Tin-coated copper has low resistance, characteristic resistant to bending, can mention
The bending resistance of high-transmission signal core, extends the service life of cable.
Further, filled nylon silk while 2 transmission signal lines core pair twist.Filled nylon silk is not only when pair twist
Improve only the bending resistance of cable, it is often more important that between enriching between signal wire and the second protective layer of subsequent cladding
Gap rotate cable signal wire in drag chain use process will not in clad again, and will not cause because cable is squeezed
Impedance variations influence signal transmission.
Further, the insulating layer is insulating layer of Teflon, and first protective layer and the second protective layer are PTFE
Film layer.The advantages of Teflon material has dielectric constant low, high mechanical strength can reduce the signal transmission of transmission signal line core
Loss, and the mechanical strength of transmission signal line core can be improved.The first protective layer and the second protective layer tool that PTFE material is prepared into
There is good crush resistance energy, reduces extruding of the external force to transmission signal line core.
Further, the internal shield is successively arranged the first aluminium foil layer, tin-coated copper winding layer, the second aluminium foil from the inside to the outside
Layer.Aluminium foil has good electromagnetic shielding action, but only one layer electromagnetic shielding color is unable to satisfy making for high-frequency signal line
With, it is therefore desirable to increase tin-coated copper winding layer and the second aluminium foil layer, effectively shielding electromagnetism.
Further, the middle low frequency signal line uses multiply tin-coated copper for signal conductor, wraps up outside the signal conductor
There is signal line insulating layer, the signal line insulating layer is made of Teflon.Tin-coated copper has low resistance, characteristic resistant to bending, can
The bending resistance of low frequency signal line, prolongs the service life in raising, and the Teflon of high-frequency signal line is slightly less than using dielectric constant
Material does signal line insulating layer, guarantees to keep normal operation before the high-frequency signal line service life is totally.
Further, the power supply line uses multiply tin-coated copper for power conductor, and the power conductor is wrapped with power supply
Insulating layer, the mains isolation layer are made of Teflon.Tin-coated copper has low resistance, characteristic resistant to bending, and power supply can be improved
Bending resistance prolongs the service life, and does signal line insulating layer using the Teflon material that dielectric constant is slightly less than high-frequency signal line,
Guarantee to keep normal operation before the high-frequency signal line service life is totally.
Further, between the filling of multiply cotton thread when the high-frequency signal line, middle low frequency signal line and power supply line total collection
Gap.Make cable not easy damaged in drag chain use process by filling cotton thread.
Further, the external protection is PTFE film layer, and the external shielding layer is successively arranged the first shielding from the inside to the outside
Layer and secondary shielding layer, the first screen layer are copper foil layer, and the secondary shielding layer is tin plating layers of copper.External protection uses
PTFE film layer have good crush resistance energy, first screen layer selection copper foil layer be because：Copper foil has more better than aluminium foil
Toughness, can bear the stress when drag chain bending of longer time, the service life of the copper foil of same thickness and width than aluminium foil
Up to one times or more, service life herein refer to cable since put into drag chain using to base copper or aluminum base layer split when
It is long；Copper foil has higher electric conductivity simultaneously, more preferable to the shield effectiveness of electric field.Secondary shielding layer is twined using tin plating layers of copper 100%
Around covering, for cable, the electric field shielding effect of secondary shielding layer is greater than magnetic field shielding, the more other materials of tin-coated copper
Matter such as magnalium silk, copper clad aluminum, copper clad steel have better electric field shielding effect.
Further, the inner sheath and oversheath are all made of butyronitrile polyvinyl chloride or thermoplastic polyurethane material is made.
Inner sheath and oversheath, which is prepared, in butyronitrile polyvinyl chloride or thermoplastic polyurethane material has good wear-resisting property, avoids
Inner sheath or oversheath breakage cause inside the direct contact damage cable of drag chain equipment before internal signal wire service life terminates
Structure.
A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain of the utility model, high-frequency transmission cable use
Package PTFE film is as pair twist after the first protective layer after Teflon coats transmission signal line core as insulating layer, then wraps up PTFE film
As the second protective layer, the first aluminium foil layer, tin-coated copper winding layer, the second aluminium foil layer are further coated, outer shield layer uses copper
Foil and tin-coated copper package are wound, and oversheath is made using butyronitrile polyvinyl chloride or thermoplastic polyurethane material, and existing
Some transmission cables are compared, and are had the advantages that：
The first, there is superior buckle resistance；The transmission signal line core of the utility model high-frequency signal line first coats iron fluorine
Imperial insulating layer, then coating PTFE film is pair twist after the first protective layer, and pair twist gap filling is full, then coating PTFE film is the second guarantor
Sheath further coats the first aluminium foil layer, tin-coated copper winding layer, the second aluminium foil layer, and coats inner protective layer, and total twist uses cotton thread cloth
Full core and core gap, then external protection, external shielding layer and oversheath are coated, this more unique signal line structure designs pole
The earth reduces the influence from extraneous folding force to wire rod high-frequency signal line, low frequency signal line and power supply line, to increase electricity
The buckle resistance of cable extends the service life of wire rod；
The second, with stable electric property；The utility model high-frequency signal line, middle low frequency signal line and power supply line always collect
It closes filling and is successively arranged external protection and external shielding layer in outside package, the outside of external shielding layer is coated with oversheath, shape again
At tight structure, the utility model cable in drag chain use process, signal wire inside whole cable motion track in addition to dragging
The movement of other modes hardly occurs except chain locus, improves the stability of high frequency signal transmission well；
Third, with splendid shield effectiveness.The utility model wraps up internal shield, interior screen after high-frequency signal line pair twist
It covers layer and is successively arranged the first aluminium foil layer, tin-coated copper winding layer, the second aluminium foil layer from the inside to the outside, aluminium foil has good electromagnetic screen
The effect of covering, but only one layer electromagnetic shielding color is unable to satisfy the use of high-frequency signal line, it is therefore desirable to increase tin-coated copper winding
Layer and the second aluminium foil layer, effectively shielding electromagnetism, outer copper foil covered and tin plating layers of copper after always twisting, and every layer of shielding is all more than
100% covering, shield effectiveness is good, strong antijamming capability.
4th, with brilliant wear-resisting property；The utility model passes through the transmission signal line core the inside to high-frequency signal line
Two layers of PTFE film is coated, adds one layer of external protection again after total strand, external protection is also PTFE film, greatly reduces cable and is dragging
In chain use process, internal each building block mutual friction and extruding；Outer jointing jacket uses wear-resisting butyronitrile polyvinyl chloride
Or thermoplastic polyurethane material is prepared, and enhances the wearability between cable surface and machine, to make a whole set of cable
Have the advantages that high-tensile, high elongation rate, anti-aging and long service life.
Detailed description of the invention
Fig. 1 is a kind of anti-interference high frequency data transfer construction of cable schematic diagram of bend resistance for drag chain of the utility model；
A kind of high-frequency signal line of the anti-interference high frequency data transfer cable of the position Fig. 2 bend resistance for drag chain of the utility model
Structural schematic diagram.
As shown in the picture：1, high-frequency signal line；11, transmission signal line core；111, transmission conductor；12, insulating layer；13,
One protective layer；14, the second protective layer；15, internal shield；151, the first aluminium foil layer；152, tin-coated copper winding layer；153, the second aluminium
Layers of foil；16, inner sheath；17, nylon yarn；2, middle low frequency signal line；21, signal conductor；22, signal isolation layer；3, power supply line；
31, power conductor；32, mains isolation layer；4, external protection；5, external shielding layer；51, copper foil layer；52, tin plating layers of copper；6, outer shield
Set；7, cotton thread.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to embodiment and
Attached drawing is described in further detail utility model product.
As depicted in figs. 1 and 2, the anti-interference high frequency data transfer cable of a kind of bend resistance for drag chain, including high frequency letter
Number line 1, middle low frequency signal line 2, power supply line 3, external protection 4, external shielding layer 5 and oversheath 6, the high-frequency signal line 1, in it is low
Frequency signal wire 2 and 3 total collection of power supply line fill multiply cotton thread 7, are not easy cable in drag chain use process by filling cotton thread 7
Damage.And external protection 4, external shielding layer 5 and oversheath 6 are successively wrapped up external, the external protection 4 is PTFE film layer, institute
It states external shielding layer 5 and is successively arranged first screen layer 51 and secondary shielding layer 52 from the inside to the outside, the first screen layer 51 is copper foil
Layer, the secondary shielding layer 52 are tin plating layers of copper.The oversheath 6 uses butyronitrile polyvinyl chloride or thermoplastic polyurethane material's system
At described.High-frequency signal line 1 includes 2 transmission signal line cores 11, insulating layer 12, the first protective layer 13, the second protective layer 14, interior
Shielded layer 15 and inner sheath 16, the transmission signal line core 11 include transmission conductor 111, are wrapped up outside the transmission conductor 111
There is insulating layer 12, the first protective layer 13 is wrapped up outside the insulating layer 12, is wrapped again after the completion of 2 transmission signal line cores, 11 pair twist
The second protective layer 14 is covered, second protective layer 14 is coated with internal shield 15, coats interior shield again outside the internal shield 15
Set 16, the inner sheath 16 are made of butyronitrile polyvinyl chloride or thermoplastic polyurethane material.By to high-frequency signal line peripheral hardware
Internal shield is set, wraps up external protection again after high-frequency signal line, middle low frequency signal line and power supply line total collection, external shielding layer is formed
Multilayer screen structure, high frequency signal line is at least 2 groups, and the single transmission signal line core of high-frequency signal line is coated with
One protective layer reduces extruding of the external force to transmission signal line core, coats the second protective layer again after the completion of transmission signal line core pair twist,
Signal wire crush resistance energy is further increased, electromagnetic shielding action is played by internal shield, it is a series of anti-physical outer in completion
Try hard to keep sheath and electro-magnetic screen layer and then cladding inner sheath its consolidate and enhanced protection, this unique structure setting effectively subtracts
The small influence from extraneous folding force to wire rod cable core extends cable service life to increase the buckle resistance of wire rod, and
High-frequency signal line, middle low frequency signal line and the filling of power supply line total collection are simultaneously successively coated with external protection and external screen in outside package
Layer is covered, the outside of external shielding layer is coated with oversheath again, forms tight structure, the utility model cable is in drag chain use process
In, the movement of other modes hardly occurs other than drag chain track for signal wire motion track inside whole cable, very
The stability of high frequency signal transmission is improved well.
As shown in Fig. 2, the transmission conductor 111 is made of tin-coated copper.Tin-coated copper has low resistance, characteristic resistant to bending,
The bending resistance that transmission signal line core can be improved extends the service life of cable.2 transmission signal line cores, 11 pair twist it is same
When filled nylon silk 17.Filled nylon silk not only improves only the bending resistance of cable when pair twist, it is often more important that in order to enrich
Gap between signal wire and the second protective layer of subsequent cladding coat cable signal wire in drag chain use process will not again
Rotation in layer, and impedance variations will not be caused because cable is squeezed, influence signal transmission.The insulating layer 12 is Teflon
Insulating layer, first protective layer 13 and the second protective layer 14 are PTFE film layer.Teflon material has dielectric constant low, machine
The high advantage of tool intensity can reduce the signal transmission attenuation of transmission signal line core and improve the machinery of transmission signal line core
Intensity.The first protective layer and the second protective layer that PTFE material is prepared into have good crush resistance energy, reduce external force to biography
The extruding of the defeated signal core internal shield 15 be successively arranged from the inside to the outside the first aluminium foil layer 151, tin-coated copper winding layer 152,
Second aluminium foil layer 153.Aluminium foil has good electromagnetic shielding action, but only one layer electromagnetic shielding color is unable to satisfy high frequency
The use of signal wire, it is therefore desirable to increase tin-coated copper winding layer and the second aluminium foil layer, effectively shielding electromagnetism.
As shown in Figure 1, the middle low frequency signal line 2 uses multiply tin-coated copper for signal conductor 21, the signal conductor 21
It is wrapped with signal line insulating layer 22, the signal line insulating layer 22 is made of Teflon, and tin-coated copper has low resistance, resistant to bending
Characteristic, the bending resistance of middle low frequency signal line can be improved, prolong the service life, high-frequency signal line is slightly less than using dielectric constant
Teflon material do signal line insulating layer, guarantee to keep normal operation before the high-frequency signal line service life is totally.The power supply
Line 3 uses multiply tin-coated copper for power conductor 31, and the power conductor 31 is wrapped with mains isolation layer 32, the mains isolation
Layer 32 is made of Teflon, and tin-coated copper has low resistance, characteristic resistant to bending, and the bending resistance of power supply can be improved, and extends and uses
Service life does signal line insulating layer using the Teflon material that dielectric constant is slightly less than high-frequency signal line, guarantees in high-frequency signal line
Service life totally keeps normal operation before.
The above, the only preferred embodiment of the utility model not make in any form the utility model
Limitation；The those of ordinary skill of all industry can be shown in by specification attached drawing and described above and swimmingly to implement this practical
It is novel；But all those skilled in the art are not departing within the scope of technical solutions of the utility model, using the above institute
The technology contents of announcement and the equivalent variations of a little variation, modification and evolution made, are the equivalence enforcement of the utility model
Example；Meanwhile the changes of all substantial technological any equivalent variationss to the above embodiments according to the utility model, modification with
Develop etc., within the protection scope for still falling within the technical solution of the utility model.
Claims (10)
1. a kind of anti-interference high frequency data transfer cable of bend resistance for drag chain, including high-frequency signal line（1）, middle low frequency signal
Line（2）, power supply line（3）, external protection（4）, external shielding layer（5）And oversheath（6）, it is characterised in that：The high-frequency signal line
（1）, middle low frequency signal line（2）And power supply line（3）Total collection filling simultaneously successively wraps up external protection in outside（4）, external shielding layer
（5）And oversheath（6）, the high-frequency signal line（1）Including 2 transmission signal line cores（11）, insulating layer（12）, the first protective layer
（13）, the second protective layer（14）, internal shield（15）And inner sheath（16）, the transmission signal line core（11）Including transmission conductor
（111）, the transmission conductor（111）Outside is enclosed with insulating layer（12）, the insulating layer（12）The first protective layer of outer package
（13）, 2 transmission signal line cores（11）The second protective layer is coated after the completion of pair twist again（14）, second protective layer（14）
It is coated with internal shield（15）, the internal shield（15）Coat inner sheath again outside（16）.
2. the anti-interference high frequency data transfer cable of the bend resistance according to claim 1 for drag chain, it is characterised in that：Institute
State transmission conductor（111）It is made of tin-coated copper.
3. the anti-interference high frequency data transfer cable of the bend resistance according to claim 2 for drag chain, it is characterised in that：Institute
State 2 transmission signal line cores（11）Filled nylon silk while pair twist（17）.
4. the anti-interference high frequency data transfer cable of the bend resistance according to claim 3 for drag chain, it is characterised in that：Institute
State insulating layer（12）For insulating layer of Teflon, first protective layer（13）With the second protective layer（14）It is PTFE film layer.
5. the anti-interference high frequency data transfer cable of the bend resistance according to claim 4 for drag chain, it is characterised in that：Institute
State internal shield（15）It is successively arranged the first aluminium foil layer from the inside to the outside（151）, tin-coated copper winding layer（152）, the second aluminium foil layer
（153）.
6. the anti-interference high frequency data transfer cable of the bend resistance according to claim 5 for drag chain, it is characterised in that：Institute
State middle low frequency signal line（2）Use multiply tin-coated copper for signal conductor（21）, the signal conductor（21）It is wrapped with signal wire
Insulating layer（22）, the signal line insulating layer（22）It is made of Teflon.
7. the anti-interference high frequency data transfer cable of the bend resistance according to claim 6 for drag chain, it is characterised in that：Institute
State power supply line（3）Use multiply tin-coated copper for power conductor（31）, the power conductor（31）It is wrapped with mains isolation layer
（32）, the mains isolation layer（32）It is made of Teflon.
8. the anti-interference high frequency data transfer cable of the bend resistance according to claim 7 for drag chain, it is characterised in that：Institute
State high-frequency signal line（1）, middle low frequency signal line（2）And power supply line（3）With multiply cotton thread when total collection（7）Fill gap.
9. the anti-interference high frequency data transfer cable of the bend resistance according to claim 8 for drag chain, it is characterised in that：Institute
State external protection（4）For PTFE film layer, the external shielding layer（5）It is successively arranged first screen layer from the inside to the outside（51）With the second screen
Cover layer（52）, the first screen layer（51）For copper foil layer, the secondary shielding layer（52）For tin plating layers of copper.
10. the anti-interference high frequency data transfer cable of the bend resistance according to claim 9 for drag chain, it is characterised in that：
The inner sheath（16）And oversheath（6）It is all made of butyronitrile polyvinyl chloride or thermoplastic polyurethane material is made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923670.4U CN208173269U (en) | 2018-06-14 | 2018-06-14 | A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923670.4U CN208173269U (en) | 2018-06-14 | 2018-06-14 | A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain |
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| CN208173269U true CN208173269U (en) | 2018-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932995A (en) * | 2018-06-14 | 2018-12-04 | 惠州市德胜电线有限公司 | A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain |
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2018
- 2018-06-14 CN CN201820923670.4U patent/CN208173269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932995A (en) * | 2018-06-14 | 2018-12-04 | 惠州市德胜电线有限公司 | A kind of anti-interference high frequency data transfer cable of bend resistance for drag chain |
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